[go: up one dir, main page]

Search a number
-
+
30376940 = 22511138077
BaseRepresentation
bin111001111100…
…0001111101100
32010011022022212
41303320033230
530234030230
63003025552
7516125336
oct163701754
963138285
1030376940
1116168710
12a20b2b8
1363a7729
14406a456
152a00895
hex1cf83ec

30376940 has 24 divisors (see below), whose sum is σ = 69591312. Its totient is φ = 11046080.

The previous prime is 30376939. The next prime is 30376961. The reversal of 30376940 is 4967303.

It is a super-3 number, since 3×303769403 (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30376897 and 30376906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68819 + ... + 69258.

It is an arithmetic number, because the mean of its divisors is an integer number (2899638).

Almost surely, 230376940 is an apocalyptic number.

It is an amenable number.

30376940 is an abundant number, since it is smaller than the sum of its proper divisors (39214372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30376940 is a wasteful number, since it uses less digits than its factorization.

30376940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138097 (or 138095 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 30376940 is about 5511.5279188261. The cubic root of 30376940 is about 312.0192158886.

The spelling of 30376940 in words is "thirty million, three hundred seventy-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 138077 276154 552308 690385 1380770 1518847 2761540 3037694 6075388 7594235 15188470 30376940